About: http://webisa.webdatacommons.org/25292425

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Alternatively, rotating paddles or impellers of various types can be used, such as provided by Signet Scientific Company of California, including logic means for integration.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es